Kothari C R Research methodology:methods and techniques Kothari C R - New Delhi Wiley Eastern Limited 1985 - xii,500p. cm. ill. Appendix 471-485p. ISBN: 0852264771 (hbd) Standard No.: 13978 Source: Textual Subjects--Topical Terms: Research methodology Dewey Class. No.: B28:f, M5-;4